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Print error message if a USB Hub is detected in the BTD class

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This is useful as some Bluetooth dongles have a hub inside

Fixes #187
This commit is contained in:
Kristian Sloth Lauszus 2015-12-06 18:35:16 +01:00
parent 75eaa349f8
commit 50ae401566
1 changed files with 12 additions and 0 deletions
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12
BTD.cpp
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@ -101,6 +101,9 @@ uint8_t BTD::ConfigureDevice(uint8_t parent, uint8_t port, bool lowspeed) {
return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
}
if (udd->bDeviceClass == 0x09) // Some dongles have an USB hub inside
goto FailHub;
epInfo[0].maxPktSize = udd->bMaxPacketSize0; // Extract Max Packet Size from device descriptor
epInfo[1].epAddr = udd->bNumConfigurations; // Steal and abuse from epInfo structure to save memory
@ -109,6 +112,15 @@ uint8_t BTD::ConfigureDevice(uint8_t parent, uint8_t port, bool lowspeed) {
return USB_ERROR_CONFIG_REQUIRES_ADDITIONAL_RESET;
FailHub:
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nPlease create a hub instance in your code: \"USBHub Hub1(&Usb);\""), 0x80);
#endif
pUsb->setAddr(bAddress, 0, 0); // Reset address
rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
Release();
return rcode;
FailGetDevDescr:
#ifdef DEBUG_USB_HOST
NotifyFailGetDevDescr(rcode);